Co-founder VacTex Inc. Chairman Hydra Biosciences. With Baxter Travenol Laboratories, Inc., 1975-1981.
Director production planning division Fenwal Laboratories, Deerfield, Illinois, 1976-1978, president, 1978-1981. President, Chief Executive Officer and chairman Integrated Genetics Inc., Framingham, Massachusetts, 1981-1989. Executive vice president Genzyme Corporation, 1989-1991.
President, chairman and Chief Executive Officer Geltex Inc., 1991—1993. Executive vice president, Chief Executive Officer and chairman IG Laboratories Inc., 1991. Board chairman Biosurface Technology Inc., since 1993.
President Boston Medical Investors Inc., since 1994. Pres, Chief Executive Officer Aquila Biopharmaceuticals Inc., 1995—1998. President Peptimmune, Inc., 2002—2004, board chairman, 2002—2007.
Board directors Genzyme Corporation, since 1994.